In the process of keeping blackworms, they would be rinsed and decanted to
another jar. Sometimes a leach would be found sticking to the side of the
original rinsing jar. Hungry cichlids (hey the leaches are available
protein) made short work of them. No noticeable problems were perceived as a
result of the practice.

The question persisted, would those leaches be carriers of parasites or
disease organisms if they were from waters without fishes?

Interesting the observation in this thread about leaches which prey upon
earthworms.

Would the leaches found with black worms be specialists? Would they prey on
the blackworms, but not the fish?

Thanks and all the best,

Scott
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